div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-thanh-nhp-mon-khoa-hoc-du-guoc-nh-xut-bn-hqc-quc-gia-h-1999htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: repositoriesvnueduvnrepositoriesvnueduvnjspuibitstream123456789205741900_029pdf · ÐÚc thanh nhÀp mon khoa hoc du guoc: nhÅ xuÃt bÅn hqc quöc gia hÅ - 1999 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220525155a78c5647f8b9a70648c9fc5html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document-thanh-nhp-mon-khoa-hoc-du-guoc-nh-xut-bn-hqc-quc-gia-h-1999htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: repositoriesvnueduvnrepositoriesvnueduvnjspuibitstream123456789205741900_029pdf · ÐÚc thanh nhÀp mon khoa hoc du guoc: nhÅ xuÃt bÅn hqc quöc gia hÅ - 1999 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220525155a78c5647f8b9a70648c9fc5html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document-thanh-nhp-mon-khoa-hoc-du-guoc-nh-xut-bn-hqc-quc-gia-h-1999htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: repositoriesvnueduvnrepositoriesvnueduvnjspuibitstream123456789205741900_029pdf · ÐÚc thanh nhÀp mon khoa hoc du guoc: nhÅ xuÃt bÅn hqc quöc gia hÅ - 1999 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220525155a78c5647f8b9a70648c9fc5html5thumbnails3jpg width=140 height=200 divdivdiv class=trans-pagebutton...